Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4FDX callsign genealogy
Currently held by Mid Florida DX Association
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W4FDX's current licensee, walking backwards.
- KI4IYVcancelledMid Florida DX AssociationFLgranted 2005-03-01cancelled 2005-03-22
Successor callsigns
Callsigns held now by people who previously held W4FDX.
No current licensee on record previously held this callsign.